package com.chenmeng.project.c0_principle.inversion.improve;

/**
 * @author chenmeng
 */
public class DependencyInversion {

    public static void main(String[] args) {
        // 客户端无需改变
        Person person = new Person();
        person.receive(new Email());

        person.receive(new WeiXin());
    }

}

// 定义接口
interface IReceiver {
    public String getInfo();
}

class Email implements IReceiver {

    @Override
    public String getInfo() {
        return "电子邮件信息: hello,world";
    }
}

// 增加微信
class WeiXin implements IReceiver {

    @Override
    public String getInfo() {
        return "微信信息: hello,ok";
    }
}

// 方式2
class Person {

    // 这里我们是对接口的依赖
    public void receive(IReceiver receiver) {
        System.out.println(receiver.getInfo());
    }
}
